# PREPRINT 8/1996

Leonid A. KHALFIN

## NEW METHODS FOR INVESTIGATION OF ${\bold m}^{\boldkey 2}_ {\bar{\boldsymbol \nu}_{\boldkey e}}$ FROM TRITIUM $\beta$ SPECTRUM EXPEROMENTAL DATA AND SOLUTION OF THE NEGATIVE $\widehat {\bold m}^{\boldkey 2}_{\bar{\boldsymbol\nu}_{\boldkey e}}$ PUZZLE

This preprint was accepted May 1996.
Contact: L. A. Khalfin

ABSTRACT:
Solution of the recent negative $m^2_{\bar\nu_e}$
puzzle was derived. New methods of the estimation the changing-points
were proposed for neutrino mass estimation. The ill-point property of the
inverse problem of the reconstruction the theoretical $\beta$ spectrum
from the experimental spectrum was investigated.
Bibliography--37.

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